According to our teacher, we should take detailed notes in class because they are more __________ than our memory.

On the double 11th day, my uncle’s online store has successfully sold _____ shoes as last year, that is, it can hardly make ______ progress. 

It is known to us all E-mail is______ efficient than sending a fax. 

 Successful people have some good qualities and above all, they are never ________ a simple life so they keep fighting until they become top ones.

Boris has brains.In fact, I doubt whether anyone in the class has _______ IQ.